General

Checklist before launching a campaign

Use this checklist before launching a campaign: contact quality, verified domain and sender, unsubscribe link, error-free template, and warm-up volume.

Email API Documentation

Use the EmailMassivo Email API to send transactional emails through the public API with API keys, sending keys, idempotency, templates, and server-side code examples.

Help Center

Browse EmailMassivo Help Center topics, including quick start guides, campaigns, templates, contacts, domains, API, and billing.

Webhook Documentation

Learn what webhooks are, how to configure them in EmailMassivo, and how to receive event notifications from the platform.